Jerome County is in South Central Idaho. Of the 44 counties in the Gem State, Jerome County ranks 39th in terms of size (385,617 acres). Jerome County, Idaho, includes nearly 1,000 acres of residential land for sale based on recent Land Network data. The combined market value of land for sale here was $2 million. The average price of residential land for sale in Jerome County was $563,300. The economy here is principally agricultural. Browse all residential land and rural property for sale in Idaho to find residential land and properties that suit your lifestyle needs, from existing residential homes and estates to land ready for future residential-property development.